[css-align] New CSS Value 'normal' for Self Alignment

third_party/WebKit/Source/core/layout/LayoutBox.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2006, 2007 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 950 matching lines @@
 protected:
     void willBeDestroyed() override;
 
     void insertedIntoTree() override;
     void willBeRemovedFromTree() override;
 
     void styleWillChange(StyleDifference, const ComputedStyle& newStyle) override;
     void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
     void updateFromStyle() override;
 
+    virtual ItemPosition selfAlignmentNormalBehavior() const { return ItemPositionStretch; }
+
     // Returns false if it could not cheaply compute the extent (e.g. fixed background), in which case the returned rect may be incorrect.
     // FIXME: make this a const method once the LayoutBox reference in BoxPainter is const.
     bool getBackgroundPaintedExtent(LayoutRect&) const;
     virtual bool foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, unsigned maxDepthToTest) const;
     bool computeBackgroundIsKnownToBeObscured() const override;
 
     virtual void computePositionedLogicalWidth(LogicalExtentComputedValues&) const;
 
     LayoutUnit computeIntrinsicLogicalWidthUsing(const Length& logicalWidthLength, LayoutUnit availableLogicalWidth, LayoutUnit borderAndPadding) const;
     virtual LayoutUnit computeIntrinsicLogicalContentHeightUsing(const Length& logicalHeightLength, LayoutUnit intrinsicContentHeight, LayoutUnit borderAndPadding) const;
 
     virtual bool shouldComputeSizeAsReplaced() const { return isAtomicInlineLevel() && !isInlineBlockOrInlineTable(); }
 
     LayoutObject* splitAnonymousBoxesAroundChild(LayoutObject* beforeChild);
 
     virtual bool hitTestOverflowControl(HitTestResult&, const HitTestLocation&, const LayoutPoint&) { return false; }
     virtual bool hitTestChildren(HitTestResult&, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction);
     void addLayerHitTestRects(LayerHitTestRects&, const PaintLayer* currentCompositedLayer, const LayoutPoint& layerOffset, const LayoutRect& containerRect) const override;
     void computeSelfHitTestRects(Vector<LayoutRect>&, const LayoutPoint& layerOffset) const override;
 
     PaintInvalidationReason getPaintInvalidationReason(const PaintInvalidationState&,
         const LayoutRect& oldBounds, const LayoutPoint& oldPositionFromPaintInvalidationContainer,
         const LayoutRect& newBounds, const LayoutPoint& newPositionFromPaintInvalidationContainer) const override;
     void incrementallyInvalidatePaint(const LayoutBoxModelObject& paintInvalidationContainer, const LayoutRect& oldBounds, const LayoutRect& newBounds, const LayoutPoint& positionFromPaintInvalidationContainer) override;
 
     PaintInvalidationReason invalidatePaintIfNeeded(const PaintInvalidationState&) override;
     void invalidatePaintOfSubtreesIfNeeded(const PaintInvalidationState& childPaintInvalidationState) override;
 
+    bool columnFlexItemHasStretchAlignment() const;
+    bool isStretchingColumnFlexItem() const;
     bool hasStretchedLogicalWidth() const;
 
     bool hasNonCompositedScrollbars() const final;
     void excludeScrollbars(LayoutRect&, OverlayScrollbarClipBehavior = IgnoreOverlayScrollbarSize) const;
 
     LayoutUnit containingBlockLogicalWidthForPositioned(const LayoutBoxModelObject* containingBlock, bool checkForPerpendicularWritingMode = true) const;
     LayoutUnit containingBlockLogicalHeightForPositioned(const LayoutBoxModelObject* containingBlock, bool checkForPerpendicularWritingMode = true) const;
 
     static void computeBlockStaticDistance(Length& logicalTop, Length& logicalBottom, const LayoutBox* child, const LayoutBoxModelObject* containerBlock);
     static void computeInlineStaticDistance(Length& logicalLeft, Length& logicalRight, const LayoutBox* child, const LayoutBoxModelObject* containerBlock, LayoutUnit containerLogicalWidth);
@@ skipping 209 matching lines @@
         || breakValue == BreakLeft
         || breakValue == BreakPage
         || breakValue == BreakRecto
         || breakValue == BreakRight
         || breakValue == BreakVerso;
 }
 
 } // namespace blink
 
 #endif // LayoutBox_h